Read article 'GSI reveals new magic numbers in nuclei'
The shell structure of atomic nuclei with its magic numbers (2, 8, 20, 28, 50, 82, 126) for protons and neutrons corresponding to an enhanced binding is a cornerstone in understanding the structure an...
Read article 'CERN openlab enters phase three'
On 2–3 April CERN's director-general, Rolf Heuer, officially launched the third phase of the CERN openlab at the 2009 annual meeting of the CERN openlab Board of Sponsors.
Read article 'XMM-Newton observes emission from matter around a black hole'
A recent observation by the XMM-Newton satellite revealed two prominent emission lines in the X-ray spectrum of the Seyfert galaxy 1H 0707-495.
Read article 'KEKB breaks luminosity record'
A team working at the KEKB electron–positron collider at the KEK laboratory in Japan has broken the machine’s existing world record for luminosity by using new accelerator components calle...
Read article 'Final magnet for sector 3-4 goes underground'
The final magnet – a quadrupole short straight section – to refit sector 3-4 of the LHC was lowered into the tunnel and transported to its location on 30 April, two weeks after the 39th and fina...
Read article 'BEPCII/BESIII accumulates 100 million ψ(2S) in Beijing'
After five years of construction, the upgraded Beijing Electron–Positron Collider (BEPCII) and the new Beijing Spectrometer (BESIII) finished accumulating their first large data set of more than 100...
Read article 'T2K beamline starts operation'
On 23 April, the Tokai-to-Kamioka (T2K) long-baseline neutrino oscillation experiment confirmed the first production of the neutrino beam by observing the muons produced by the proton beam in the neu...
Read article 'Precise mass measurements may help decode X-ray bursts'
The results may make it easier to understand type I X-ray bursts, the most common stellar explosions in the galaxy.
Read article 'PETRA III stores its first positron beam'
DESY's new third-generation synchrotron radiation source, PETRA III, accelerated its first beam on 16 April. At 10.14 a.m. the positron bunches were injected and stored in the 2.3 km accelerator f...
Read article 'Editor’s note'
This issue of CERN Courier celebrates IYA2009 with several longer articles
